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28d108893c
should be recreated. This created a timing hole. Fixed by just doing what import does; check the mtime and magic number.
63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
import compileall
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import imp
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import os
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import py_compile
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import shutil
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import struct
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import sys
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import tempfile
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import time
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from test import test_support
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import unittest
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class CompileallTests(unittest.TestCase):
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def setUp(self):
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self.directory = tempfile.mkdtemp()
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self.source_path = os.path.join(self.directory, '_test.py')
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self.bc_path = self.source_path + ('c' if __debug__ else 'o')
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with open(self.source_path, 'w') as file:
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file.write('x = 123\n')
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def tearDown(self):
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shutil.rmtree(self.directory)
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def data(self):
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with open(self.bc_path, 'rb') as file:
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data = file.read(8)
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mtime = int(os.stat(self.source_path).st_mtime)
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compare = struct.pack('<4sl', imp.get_magic(), mtime)
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return data, compare
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def recreation_check(self, metadata):
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"""Check that compileall recreates bytecode when the new metadata is
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used."""
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if not hasattr(os, 'stat'):
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return
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py_compile.compile(self.source_path)
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self.assertEqual(*self.data())
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with open(self.bc_path, 'rb') as file:
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bc = file.read()[len(metadata):]
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with open(self.bc_path, 'wb') as file:
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file.write(metadata)
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file.write(bc)
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self.assertNotEqual(*self.data())
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compileall.compile_dir(self.directory, force=False, quiet=True)
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self.assertTrue(*self.data())
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def test_mtime(self):
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# Test a change in mtime leads to a new .pyc.
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self.recreation_check(struct.pack('<4sl', imp.get_magic(), 1))
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def test_magic_number(self):
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# Test a change in mtime leads to a new .pyc.
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self.recreation_check(b'\0\0\0\0')
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def test_main():
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test_support.run_unittest(CompileallTests)
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if __name__ == "__main__":
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test_main()
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